One alternative is toothpaste tablets. Therefore the catalyst is added. I was looking for an experiment, something that is kinda like a volcano, and this, "I had to do science fair project on this. Hydrogen peroxide (H2O2) decomposes naturally into water (H2O) and oxygen (O2). It is commonly used in classrooms to demonstrate an exothermic reaction. ), According to Colgate, its toothpaste is 99.7 percent natural, and the brand wants to pivot to a more sustainable approach to toothpaste. Elephant toothpaste is a foamy substance that is produced when a small amount of hydrogen peroxide is mixed with other ingredients such as soap. Hydrogen peroxide breaks down into oxygen and water. . Here are some tips for avoiding problems with elephant toothpaste: -Add the hydrogen peroxide to the soap first, then add the yeast. It's bad enough that we are wasting our food by tossing it into landfills, but we are also wasting other things that have larger consequences on our environment. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/53\/Make-Elephant-Toothpaste-Step-1-Version-2.jpg\/v4-460px-Make-Elephant-Toothpaste-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/53\/Make-Elephant-Toothpaste-Step-1-Version-2.jpg\/aid697964-v4-728px-Make-Elephant-Toothpaste-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"